1.选择题- (共10题)
9.某超市销售一种饮料,平均每天可售出100箱,每箱利润120元.天气渐热,为了扩大销售,增加利润,超市准备适当降价.据测算,若每箱饮料每降价1元,每天可多售出2箱.针对这种饮料的销售情况,请解答以下问题:
10.某组数据的方差计算公式为S2= {#mathml#}{#/mathml#} [(x1﹣2)2+(x2﹣2)2+…+(x8﹣2)2],则该组数据的样本容量是{#blank#}1{#/blank#},该组数据的平均数是{#blank#}2{#/blank#}
2.单项选择- (共13题)
11.
Burns are called first,second or third degree burns, which layers of the skin are burned.
A.depending on | B.depended on | C.depend on | D.to depend on |
12.
I still cannot believe that I am this prize that I won last year.
A.taking away | B.taking off | C.taking on | D.taking up |
13.
The southern part of Ireland was unwilling and to form its own government.
A.broke out | B.broke up | C.broke away | D.broke off |
15.
—Why is he feeling disappointed today?
—Because the suggestion he has been turned down.
—Because the suggestion he has been turned down.
A.put away | B.put up | C.put down | D.put forward |
16.
It shows that a knowledge of first aid can make a real .
A.effect | B.effort | C.importance | D.difference |
17.
The cool water stops the burning process,prevents the pain unbearable and reduces swelling.
A.become | B.became | C.becomes | D.becoming |
18.
England is the largest of the four countries,and for convenience it roughly three zones.
A.divides;into | B.is divided;into |
C.separates;from | D.is separated;from |
19.
He became inspired when he thought about helping ordinary people ________ to cholera.
A.expose | B.exposed |
C.exposing | D.to expose |
20.
What a mess!Tom,I have told you over and over again not to leave everything .
A.in place | B.in the place | C.out of place | D.out of the place |
21.
Then Wang Ping flashed a switch on a computer screen,and a table and some chairs rose from under the floor by magic.
A.only if | B.even if | C.as if | D.what if |
22.
you talk to someone or write a message,you show your skills to others.
A.At times | B.Some time | C.Every time | D.The time |
试卷分析
-
【1】题量占比
选择题:(10道)
单项选择:(13道)
-
【2】:难度分析
1星难题:0
2星难题:0
3星难题:0
4星难题:0
5星难题:0
6星难题:13
7星难题:0
8星难题:0
9星难题:0